Kantronics KPC–3 Plus User Manual
Also see for KPC-3 Plus: User guideUser guideManual
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43Problem: Go to Terminal Screen, but Nothing HappensOne possibility is that the current COM port does have a device on it, but it is not aTNC. It might be a mouse or an internal phone modem, for example. To see if it is amouse, go to the TERMINAL Screen, start moving your mouse and see if sequences ofcharacters appear as you move the mouse. If so, change the COM port setting inHyperTerminal and try again.Another possibility is that the KPC-3 Plus has already been programmed with a differentbaud than the one set in the terminal program. You can try changing the baud in theterminal program, or you can use the self-test jumper (J11) to erase the current settingsin the KPC-3 Plus, forcing the KPC-3 Plus to try its Autobaud routine.Problem: You Are Getting Bad or Intermittent DataMany PC compatible computers are designed with a built-in potential conflict that maycause a problem. Both COM2 and COM4 (and both COM1 and COM3) may use thesame interrupt (IRQ) mechanism to get the attention of the computer. This means that ifdevices on both COM2 and COM4 (or both COM1 and COM3) are sending signals tothe computer at the same time, this can cause problems for programs, such asHyperTerminal, that use either COM port. If you are getting bad data, check to see ifyou have another device that might be getting confused with your TNC (on COM4 ifyour TNC is on COM2; COM3 if your TNC is on COM1) and make it inactive or removeit while using HyperTerminal with your TNC.Problem: Your TNC Stops Behaving NormallyHyperTerminal is intended for use with a TNC in NEWUSER or TERMINAL InterfaceMode (or, less often, in BBS or GPS Interface Mode), but it may receive data from theTNC in any Interface Mode. Non-response, garbled data, or partially garbled data mayindicate the TNC has been switched to HOST or KISS mode and needs to be switchedback to NEWUSER or TERMINAL. See the TNC documentation for instructions on howto determine what Interface Mode your TNC is in currently and how to change it to theInterface Mode you want (NEWUSER or TERMINAL).Connect the KPC-3 Plus to a TransceiverThe last connections you need to establish are between your KPC-3 Plus and yourtransceiver. You will construct and install a transceiver cable assembly that has twofunctions: (1) to send signals from the speaker jack of your transceiver to your KPC-3Plus‘ ―Radio‖ port for processing, and (2) to send signals from your KPC-3 Plus‘ ―Radio‖port to the microphone connection of your transceiver for transmission.As illustrated in the diagram on page 33, the transceiver cable connects to the ―Radio‖port on the KPC-3 Plus via a male DSUB-9 connector shipped with your KPC-3.This section goes step-by-step, dealing with the following questions:What parts will be needed for the assembly? |
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